[2L01-05] Structural Materials 1 (FeCrAlZr-ODS)

[2L04] Application of FeCrAlZr-ODS alloy for advanced liquid blanket and divertor concepts

(4)Experimental study on chemical compatibility for the development of fusion reactor components

*Masatoshi Kondo¹, Jyunichi Miyazawa², Teruya Tanaka², Naoko Oono³, Masafumi Akiyoshi⁴, Kan Sakamoto⁵, Yoshitaka Ueki⁶, Yuji Hatano⁷, Bruce Pint⁸, Jun Jiheon⁸ (1. Tokyo Tech, 2. NIFS, 3. Hokkaido Univ., 4. OPU, 5. NFD, 6. Osaka Univ., 7. Univ. of Toyama, 8. ORNL)

Keywords:Liquid blanket, Liquid divertor, FeCrAlZr-ODS, Chemical compatibility, Irradiation

Chemical compatibility of liquid metals with structural materials is one of the important issues for the development of liquid breeder blanket and liquid divertor concepts. The chemical compatibility is influenced by the liquid temperature, liquid flow conditions, and the chemical impurities. The effect of irradiation on the chemical compatibility has rarely been investigated so far. Japan and US joint research project “FRONTIER” started in 2019 to investigate the reaction dynamics at interfaces in DEMO divertor systems and irradiation effects. The recent activities such as corrosion tests under electron irradiation and capsule design for HIFR irradiation tests are going to be reported in the presentation.